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NCP7662DR2 Datasheet(PDF) 3 Page - ON Semiconductor

Part # NCP7662DR2
Description  INDUCTORLESS VOLTAGE CONVERTER
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP7662DR2 Datasheet(HTML) 3 Page - ON Semiconductor

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NCP7662
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (V+ = 5 V, TA = +25°C, OSC = Free running, Test Circuit Figure 2, unless otherwise specified.)
Characteristics
Test Conditions
Symbol
Min
Typ
Max
Unit
Supply Current (Note 3.)
(Boost Pin OPEN or GND)
RL = ∞, +25°C
0
°C v TA v +70°C
–40
°C v TA v +85°C
I+
80
160
180
180
µA
Supply Current
(Boost Pin = V+)
0
°C v TA v +70°C
–40
°C v TA v +85°C
I+
300
350
µA
Supply Voltage Range, High (Note 4.)
RL = 10 kΩ,
LV Open, TMIN v TA v TMAX
V+H
3.0
15
V
Supply Voltage Range, Low
RL = 10 kΩ,
LV to GND, TMIN v TA v TMAX
V+L
1.5
3.5
V
Output Source Resistance
IOUT = 20 mA, 0°C v TA v +70°C
ROUT
65
100
IOUT = 20 mA, –40°C v TA v +85°C
120
IOUT = 3 mA, V+ = 2 V, LV to GND,
0
°C v TA v +70°C
250
IOUT = 3 mA, V+ = 2 V, LV to GND,
–40
°C v TA v +85°C
300
Oscillator Frequency
COSC = 0, Pin 1 Open or GND
Pin 1 = V+
fOSC
5.0
10
35
kHz
Power Efficiency
RL = 5 kΩ,
TMIN v TA v TMAX
PEff
96
95
96
97
%
Voltage Conversion Efficiency
RL = ∞
VOUTEff
99
99.9
%
Oscillator Impedance
V+ = 2 V
V+ = 5 V
ZOSC
1.0
100
M
k
3. In the test circuit, there is no external capacitor applied to pin 7. However, when the device is plugged into a test socket, there is usually a
very small but finite stray capacitance present, of the order of 5 pF.
4. The NCP7662 can operate without an external diode over the full temperature and voltage range. This device will function in existing designs
which incorporate an external diode with no degradation in overall circuit performance.


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